Fire-alarm-signal booth



' Feb. 27, 1923.

1. DZIEDZIE; FIRE ALARM. SIGNAL BOOTH.

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Application filed Ina-1,1920. Serial No. 378,178.

fire alarm signal booths, andits principal ob ect is to provide means whereby a party operating the alarm signal is compelled to remain in the booth, thereby tending-to prevent irresponsible false alarms, and further assuring that the party turning the alarm in will be at hand to direct the firemen to the place where the fire exists.

This object is attained by the novel construction and combination of parts hereinafter described and shown in the accompanying drawings, forming a material part of this invention, and in Which- Figure 1 is a vertical sectional view looking from the interior of the booth towards the door.

Figure 2 is a vertical sectional view taken 7 on line 22 of Figure 1.

Figure 3 is a fragmental front elevational view showing the operative parts in. another position'from that indicated in Figure 2.

.7 Figure 4 is a fr'agmental view showing the hinge used in the lever construction.

In the drawings, the booth 10, is made sufliciently large to contain a person, the booth being provided with a door 11, connected by the hinges 12, and having a roof 13 to protect the apparatus therein. The. booth may have-a seat 1e, and is intended to contain signaling apparatuses, such as the telephone 15, used to communicate whatever message may be desired with fire or police stations; ascreened window 16 is arranged in the door 11, permitting ventilation and light to enter.

Attached to the inside front edge of the door 11 is a keeper 18, adapted to receive the front end of a'bolt 19, the s'ani'e'being slidable in guides 20 attached to the front interior wall of the booth, the bolt having an eye 21 by which it may be drawn. A vertical bar 23 is slidahly arranged within guides 24:, attached to the booth, the bar. being parallel with the front edge of the door adjacent thereto.

The upper end of the bar 23 has an angularly turned arm 25, adapted to form a cirof Wayne, and State of to enter and engage in a transverse slot 29 in guides .83'secured to the booth, the bar 82 being at such height: above the top of the door as not to interfere withits action cuit'between the contact plates 26 when in position, and also has a projection 28, formed upon its extreme lowerend, adapted formed across the upper edge of the bolt 19. A pinBO is secured inthe upper. end of. the bar 23 engageable with'atransverseislot 31 formed ina horizontal bar 32, movable A hinged joint 34 allows the opposite end I of the bar82-Qto pivotally engage withian arm 35, of a bracket 36, secured to the door in such manner that the arm describes a partial circle of which the hlnges 12. are theaxes, thus 0 enin or'closin the door causes the bar 32 to move longitudlnally. v j

A switch blade O'issecured to the inner front edge of the'door so that when close'dsit" engages with the other part 42 of the switch. secured to the booth and. from which run wires 43 and 14 from any. convenient source of electricity, as the battery 55 whereby the.

electric lamp 45 is caused to glow.

The device operates as follows: A person desiring to enter the booth'in order togive an alarm, will raise bar 23 by means of its projection 23" extending; through a'longitudinal slot in the bar in which it travels. This operation will lift pins 28 and 30 on said bar out of the recess 29 and 31 in the bolt 19 and bar 32 respec' tively so that the bolt 19 can now be unlocked by the proper manipulation of knot) 19 or by a suitable key.

As the switch elements 40 and 42 in the iii-- terior of the booth are so arranged as to be out of circuit unless the .door is fully closed or when the contact plates are connected by arm 25 of bar 23, it will be clearthat a person entering the booth and desiring tof operate the telephone, will have to lock the door by operatin the latch 19 by means of its knob47 in or er to allow pins 28v and 30 of bar 23 to drop back into recesses 29. or 31 respectively to lock the booth andto close contacts 26. As the parts 'operatingthe bar 23 on the inside of a door are enclosed in a casing, it will be, impossible for any person within the booth after the giving of the alarm and locking himself in for this pur pose, to leave the booth, as the door can only be opened from the outside by'lifting bar 23, so that the fire department willbe able to identify the sender of an alarm and eventually Willget Without delay the exact loca tion of the fire. Inorder to ensure a double locking of the device, parts 30 to 36 are provided.

Having thus described my invention What I claim as new and desire to secure by Letters Patent of the United States is as follows: v r

l. A fire alarm booth of the class described comprising a latch, havinga recess inits .upper:edge,.a verticallbar forming a circnit closin means a: in. on said vertical bar. adapted to engage the recess otsaid latch means for lifting said vertical barout of engagement with said latch tocpen-the circuit, means forlowering said verticalbar 'fromthe insideo-i the booth for locking said latch and closing circuit, and means for pre venting the operationv of said bar out oi its locking position from the inside of the booth.

2.;In a boot/hoof thevclassdescribed the combination or" a recessed horizontal latch adapted to engage a keeper for locking the door of the booth and having a recess in its upper edge with a vertical sliding bar, a pin on said vertical bar adapted to engage in, the recess of said latch for locking the same in its booth locking position, upon the lowering of said vertical bar, a handle on said vertical bar extending to the outside of said booth and movable Within a longitudinal slot in the front Wall of said booth for allow ing a lifting of'said bar from theoutside out of engagementwith. said latch, a circuit closing means on said vertical bar adapted to close a circuit over a telephonewhen thevei tical bar is in its lower lockingposition a knob on said latch-adapted to;be operated from the inside of the booth for locking the same in order to close tlieisignal circuit,- and means for preventing an unlocking of the latch from the inside of thebooth.

In testimony whereof Ivhave aifixed my signature.

JULJA JDZIEDZIE. 

